package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /**
     * 新增菜品
     * @param dish
     */
    @AutoFill(OperationType.INSERT)
    void insert(Dish dish);

    /**
     * 菜品的分页查询
     * @param pageQueryDTO
     * @return
     */
    Page<DishVO> selectPage(DishPageQueryDTO pageQueryDTO);

    /**
     * 通过id查询菜品信息
     * @param dishId
     * @return
     */
    @Select("select * from dish where id=#{dishId}")
    Dish getById(Long dishId);

    /**
     * 通过id删除菜品
     * @param id
     */
    @Delete("delete from dish where id=#{id}")
    void deleteById(Long id);

    /**
     * 更新菜品信息
     * @param dish
     */
    @AutoFill(OperationType.UPDATE)
    void update(Dish dish);


    @Select("select * from dish where category_id=#{categoryId} and status=#{status}")
    List<Dish> list(Dish dish);
}
